/*
 * Copyright 2019 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrImageInfo_DEFINED
#define GrImageInfo_DEFINED

#include "include/core/SkAlphaType.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/gpu/ganesh/GrColorInfo.h"

#include <stddef.h>

class SkColorSpace;
struct SkImageInfo;

class GrImageInfo {
public:
    GrImageInfo();
    GrImageInfo(const SkImageInfo &info);
    GrImageInfo(GrColorType ct, SkAlphaType at, sk_sp<SkColorSpace> cs, int w, int h);
    GrImageInfo(GrColorType ct, SkAlphaType at, sk_sp<SkColorSpace> cs, const SkISize &dimensions);
    GrImageInfo(const GrColorInfo &info, const SkISize &dimensions);
    GrImageInfo(GrColorInfo &&info, const SkISize &dimensions);

    GrImageInfo(const GrImageInfo &);
    GrImageInfo(GrImageInfo &&);
    GrImageInfo &operator = (const GrImageInfo &);
    GrImageInfo &operator = (GrImageInfo &&);

    GrImageInfo makeColorType(GrColorType ct) const;
    GrImageInfo makeAlphaType(SkAlphaType at) const;
    GrImageInfo makeColorSpace(sk_sp<SkColorSpace> cs) const;
    GrImageInfo makeDimensions(SkISize dimensions) const;
    GrImageInfo makeWH(int width, int height) const;

    const GrColorInfo &colorInfo() const
    {
        return fColorInfo;
    }

    GrColorType colorType() const
    {
        return fColorInfo.colorType();
    }

    SkAlphaType alphaType() const
    {
        return fColorInfo.alphaType();
    }

    SkColorSpace *colorSpace() const
    {
        return fColorInfo.colorSpace();
    }

    sk_sp<SkColorSpace> refColorSpace() const;

    SkISize dimensions() const
    {
        return fDimensions;
    }

    int width() const
    {
        return fDimensions.width();
    }

    int height() const
    {
        return fDimensions.height();
    }

    size_t bpp() const
    {
        return GrColorTypeBytesPerPixel(this->colorType());
    }

    size_t minRowBytes() const
    {
        return this->bpp() * this->width();
    }

    bool isValid() const
    {
        return fColorInfo.isValid() && this->width() > 0 && this->height() > 0;
    }

private:
    GrColorInfo fColorInfo = {};
    SkISize fDimensions;
};

#endif
